Tangible user interface for chemistry education: comparative evaluation and re-design
Tangible user interface for chemistry education: comparative evaluation and re-design
复制标题
化学教育有形用户界面：比较评估和重新设计
DOI：
10.1145/1240624.1240745
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
P. Juchli
中科院分区：
文献类型：
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作者：
M. Fjeld;J. Fredriksson;Martin Ejdestig;F. Duca;Kristina Bötschi;Benedikt M. Voegtli;P. Juchli
增强化学（AC）是一种利用有形用户界面（TUI）进行有机化学教育的应用。本文描述的经验评估比较了学习效率和对AC的用户接受与更传统的球形模型（BSM）。两个学习环境的学习有效性结果几乎相同。使用NASA-TLX和SUMI的用户偏好和排名显示出更多的差异，因此决定主要集中于在AC系统的重新设计中改善这些方面。为了增强交互，无键盘的系统配置和内部/外部数据库（DB）访问，图形用户界面（GUI）已被合并到TUI中。使用阴影和相关效果改善了三维（3D）渲染，从而增强了深度感知。然后，通过小型定性用户研究将重新设计的AC系统与旧系统进行比较。这项用户研究表明，主观意见的改善和系统的易用性和易于学习的性能。
Augmented Chemistry (AC) is an application that utilizes a tangible user interface (TUI) for organic chemistry education. The empirical evaluation described in this paper compares learning effectiveness and user acceptance of AC versus the more traditional ball-and-stick model (BSM). Learning effectiveness results were almost the same for both learning environments. User preference and rankings, using NASA-TLX and SUMI, showed more differences and it was therefore decided to focus mainly on improving these aspects in a re-design of the AC system. For enhanced interaction, keyboard-free system configuration, and internal/external database (DB) access, a graphical user interface (GUI) has been incorporated into the TUI. Three-dimensional (3D) rendering has also been improved using shadows and related effects, thereby enhancing depth perception. The re-designed AC system was then compared to the old system by means of a small qualitative user study. This user study showed an improvement in subjective opinions a out the system's ease of use and ease of learning.